cancerous (malignant) brain tumours – are high grade (grade three or four) and either start in the brain (primary tumours) or spread into the brain from elsewhere (secondary tumours); they're more likely to grow back after treatment

After being diagnosed with a brain tumour, steroids may be prescribed to help reduce swelling around the tumour.

Surgery is often used to remove brain tumours. The aim is to remove as much abnormal tissue as safely as possible.

It isn't always possible to remove all of the tumour, so further treatment with radiotherapy or chemotherapy may be needed to treat any abnormal cells left behind.

Treatment for non-cancerous tumours is often successful and a full recovery is possible. Sometimes, there's a small chance the tumour could return, so you may need regular follow-up appointments to monitor this.